Earring



FIG. 1 is a top, front, right side perspective view of an earring showing my new design;

FIG. 2 is a rear elevation view thereof;

FIG. 3 is a left side elevation view thereof, the opposite side being a mirror image; and,

FIG. 4 is a front elevation view thereof. 

The ornamental design for an earring, as shown and described. 